Renderer/GlslWriter: Add #version directive

src/Nazara/Renderer/GlslWriter.cpp

@@ -10,7 +10,8 @@ namespace Nz
 {
 	GlslWriter::GlslWriter() :
 	m_currentFunction(nullptr),
-	m_currentState(nullptr)
+	m_currentState(nullptr),
+	m_glslVersion(110)
 	{
 	}
 
@@ -25,6 +26,11 @@ namespace Nz
 
 		node->Register(*this);
 
+		// Header
+		Append("#version ");
+		AppendLine(String::Number(m_glslVersion));
+		AppendLine();
+
 		// Uniforms
 		if (state.m_uniforms.empty())
 		{
@@ -109,6 +115,11 @@ namespace Nz
 		}
 	}
 
+	void GlslWriter::SetGlslVersion(unsigned int version)
+	{
+		m_glslVersion = version;
+	}
+
 	void GlslWriter::Write(const ShaderAst::NodePtr& node)
 	{
 		node->Visit(*this);